31d5bbf3da
The file added to linux-firmware is a copy of the current array which does not have a recognisable header, so no validation is done. Change the firmware version check to accept newer versions. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
176 lines
4.6 KiB
C
176 lines
4.6 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* File: baseband.c
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*
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* Purpose: Implement functions to access baseband
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*
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* Author: Yiching Chen
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*
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* Date: May 20, 2004
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*
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* Functions:
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*
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* Revision History:
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*
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*/
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#include "firmware.h"
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#include "control.h"
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#include "rndis.h"
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/*--------------------- Static Definitions -------------------------*/
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static int msglevel =MSG_LEVEL_INFO;
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//static int msglevel =MSG_LEVEL_DEBUG;
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#define FIRMWARE_VERSION 0x133 /* version 1.51 */
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#define FIRMWARE_NAME "vntwusb.fw"
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#define FIRMWARE_CHUNK_SIZE 0x400
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/*--------------------- Static Classes ----------------------------*/
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/*--------------------- Static Variables --------------------------*/
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/*--------------------- Static Functions --------------------------*/
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/*--------------------- Export Variables --------------------------*/
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/*--------------------- Export Functions --------------------------*/
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BOOL
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FIRMWAREbDownload(
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PSDevice pDevice
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)
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{
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const struct firmware *fw;
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int NdisStatus;
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void *pBuffer = NULL;
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BOOL result = FALSE;
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u16 wLength;
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int ii;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n");
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spin_unlock_irq(&pDevice->lock);
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if (!pDevice->firmware) {
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struct device *dev = &pDevice->usb->dev;
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int rc;
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rc = request_firmware(&pDevice->firmware, FIRMWARE_NAME, dev);
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if (rc) {
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dev_err(dev, "firmware file %s request failed (%d)\n",
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FIRMWARE_NAME, rc);
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goto out;
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}
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}
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fw = pDevice->firmware;
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pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
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if (!pBuffer)
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goto out;
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for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) {
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wLength = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE);
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memcpy(pBuffer, fw->data + ii, wLength);
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NdisStatus = CONTROLnsRequestOutAsyn(pDevice,
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0,
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0x1200+ii,
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0x0000,
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wLength,
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pBuffer
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);
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DBG_PRT(MSG_LEVEL_DEBUG,
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KERN_INFO"Download firmware...%d %zu\n", ii, fw->size);
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if (NdisStatus != STATUS_SUCCESS)
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goto out;
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}
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result = TRUE;
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out:
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if (pBuffer)
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kfree(pBuffer);
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spin_lock_irq(&pDevice->lock);
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return result;
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}
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MODULE_FIRMWARE(FIRMWARE_NAME);
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BOOL
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FIRMWAREbBrach2Sram(
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PSDevice pDevice
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)
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{
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int NdisStatus;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Branch to Sram\n");
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NdisStatus = CONTROLnsRequestOut(pDevice,
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1,
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0x1200,
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0x0000,
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0,
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NULL
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);
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if (NdisStatus != STATUS_SUCCESS) {
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return (FALSE);
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} else {
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return (TRUE);
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}
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}
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BOOL
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FIRMWAREbCheckVersion(
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PSDevice pDevice
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)
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{
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int ntStatus;
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ntStatus = CONTROLnsRequestIn(pDevice,
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MESSAGE_TYPE_READ,
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0,
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MESSAGE_REQUEST_VERSION,
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2,
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(PBYTE) &(pDevice->wFirmwareVersion));
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion);
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if (ntStatus != STATUS_SUCCESS) {
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Invalid.\n");
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return FALSE;
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}
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if (pDevice->wFirmwareVersion == 0xFFFF) {
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"In Loader.\n");
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return FALSE;
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}
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion);
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if (pDevice->wFirmwareVersion < FIRMWARE_VERSION) {
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// branch to loader for download new firmware
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FIRMWAREbBrach2Sram(pDevice);
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return FALSE;
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}
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return TRUE;
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}
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